Brewing Mastery
Leaf-to-Water Ratio
Tea leaf-to-water ratio guide: how much tea to use for Western, gongfu, grandpa, and cold brew methods. Weight vs volume and why a scale matters.
Introduction
{{glossary:teapot-ratio}} (leaf-to-water ratio) is the most commonly miscalculated brewing variable. "One teaspoon per cup" is the traditional guideline, but it fails because tea leaves vary enormously in density: a teaspoon of tightly rolled oolong might weigh 5 grams, while a teaspoon of fluffy white tea might weigh 1 gram.
Why Weight Matters
A kitchen scale eliminates the density problem entirely. Once you measure by weight, you get consistent results regardless of leaf shape:
| Method | Ratio (g:ml) | Example |
|---|---|---|
| Gongfu | 1:15 to 1:20 | 7g per 110ml gaiwan |
| Western | 1:60 to 1:100 | 3g per 240ml mug |
| Grandpa | 1:80 to 1:120 | 3g per 300ml glass |
| Cold brew | 1:125 to 1:200 | 8g per 1L pitcher |
Adjusting for Taste
Ratio is the easiest variable to adjust without side effects. Unlike temperature (which changes the extraction chemistry) or time (which risks over-extraction), simply using more or less leaf shifts concentration without altering flavor character. If your tea is too weak, add more leaf rather than steeping longer — more leaf at the same steep time produces a stronger cup without the bitter compounds that extended steeping extracts.
Common Mistakes
Too little leaf, too long steep: The classic error. Using 1-2g in a 350ml mug and steeping for 5+ minutes to compensate produces a bitter, tannic cup. Better to use 3-4g and steep for 2-3 minutes. Ignoring leaf expansion: Tightly rolled oolongs expand to 3-5 times their dry volume. If you pack a gaiwan full of dry rolled oolong, the expanded leaves will have no room to unfurl and will extract unevenly.
Do You Need a Scale?
For casual brewing, approximate by tablespoon with a mental density correction: 1 tablespoon of most Chinese green or black tea is roughly 2-3g; rolled oolong is 4-5g; fluffy white tea is 1-2g. For gongfu brewing, a 0.1g precision kitchen scale ($10-15) is a worthwhile investment that pays for itself in consistent cups and efficient leaf use.